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[01/11] net: ip_rt_get_source() - use new style struct initializer instead of memset

Message ID 20180927230017.15398-1-zenczykowski@gmail.com
State Changes Requested, archived
Delegated to: David Miller
Headers show
Series [01/11] net: ip_rt_get_source() - use new style struct initializer instead of memset | expand

Commit Message

Maciej Żenczykowski Sept. 27, 2018, 11 p.m. UTC 
From: Maciej Żenczykowski <maze@google.com>

(allows for better compiler optimization)

Signed-off-by: Maciej Żenczykowski <maze@google.com>
---
 net/ipv4/route.c | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)
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Patch

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index dce2ed66ebe1..02482b71498b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1217,18 +1217,15 @@  void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt)
 		src = ip_hdr(skb)->saddr;
 	else {
 		struct fib_result res;
-		struct flowi4 fl4;
-		struct iphdr *iph;
-
-		iph = ip_hdr(skb);
-
-		memset(&fl4, 0, sizeof(fl4));
-		fl4.daddr = iph->daddr;
-		fl4.saddr = iph->saddr;
-		fl4.flowi4_tos = RT_TOS(iph->tos);
-		fl4.flowi4_oif = rt->dst.dev->ifindex;
-		fl4.flowi4_iif = skb->dev->ifindex;
-		fl4.flowi4_mark = skb->mark;
+		struct iphdr *iph = ip_hdr(skb);
+		struct flowi4 fl4 = {
+			.daddr = iph->daddr,
+			.saddr = iph->saddr,
+			.flowi4_tos = RT_TOS(iph->tos),
+			.flowi4_oif = rt->dst.dev->ifindex,
+			.flowi4_iif = skb->dev->ifindex,
+			.flowi4_mark = skb->mark,
+		};
 
 		rcu_read_lock();
 		if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res, 0) == 0)